China bụ otu n'ime mba ole na ole n'ụwa na-eji coal dịka isi iyi ike ya. Ọ bara ụba na coal, ike mmiri, na ike ikuku, mana mmanụ na gas ya nwere oke oke. Nkesa akụrụngwa ike na mba m enweghị oke nha. N'ikwu okwu n'ozuzu, North China na n'ebe ugwu ọdịda anyanwụ China, dị ka Shanxi, Inner Mongolia, Shaanxi, wdg, nwere akụ na ụba nke coal; A na-etinyekarị akụrụngwa ike mmiri na Yunnan, Sichuan, Tibet na mpaghara na mpaghara ndịda ọdịda anyanwụ ndị ọzọ, nwere nnukwu ọdịiche dị elu; A na-ekesa akụrụngwa ike ikuku na mpaghara ndịda ọwụwa anyanwụ nke osimiri na agwaetiti ndị dị nso na mpaghara ugwu (Northeast, North China, Northwest). Ebe a na-ebunye ọkụ eletrik n'ofe mba ahụ gbadoro anya na ntọala mmepụta ihe na ụlọ ọrụ ugbo na mpaghara ndị mmadụ bi na ya dị ka East China na Pearl River Delta. Ọ gwụla ma enwere ihe ndị pụrụ iche, a na-ewukarị nnukwu ụlọ ọrụ ike na ntọala ike, na-eduga na nsogbu nnyefe ike. Ihe oru ngo "West-to-East Power Transmission" bụ ụzọ isi ghọta nnyefe ike.

Eletrik dị iche na isi ike ndị ọzọ na enweghị ike ịchekwa ya n'ọtụtụ buru ibu; ọgbọ, nnyefe na oriri na-eme n'otu oge. A ghaghị inwe nguzozi oge n'etiti ọkụ eletrik na oriri; ọdịda nke ịnọgide na-enwe nguzozi a nwere ike imebi nchekwa na ịga n'ihu nke ọkụ eletrik. Igwe ọkụ ọkụ bụ akụrụngwa ike sistemụ mejupụtara ụlọ ọrụ ọkụ, ọdụ ụgbọ mmiri, ahịrị nnyefe, nkesa nkesa, ahịrị nkesa na ndị ọrụ. Ọ kachasị nke netwọk mgbasa ozi na nkesa.

A na-ejikọta ngwa niile na-ebufe ike na mgbanwe iji mepụta netwọk mgbasa ozi, na ihe niile nkesa na mgbanwe na-ejikọta ọnụ iji mepụta netwọk nkesa. Netwọk nnyefe ike nwere akụrụngwa nnyefe na mgbanwe. Ngwá ọrụ nnyefe ike gụnyere ndị nduzi, wires ala, ụlọ elu, eriri insulator, eriri ọkụ, wdg; akụrụngwa mgbanwe ike na-agụnye transformers, reactors, capacitors, sekit breakers, grounding switches, kewapụrụ switches, àmụmà arresters, voltaji transformers, ugbu a mgbanwe, busbars, wdg Primary akụrụngwa, nakwa dị ka ọsọ agba anọ na ngwá ọrụ ndị ọzọ nke abụọ iji hụ na nchekwa na ntụkwasị obi ike ike. nnyefe, nlekota oru, njikwa na ike nkwurịta okwu usoro. Akụrụngwa mgbanwe na-etinyekarị na ọdụ ụgbọ ala. Nchikota nke akụrụngwa nke mbụ na ihe ndị ọzọ metụtara ya na netwọk mgbasa ozi dị oke mkpa maka ịrụ ọrụ dị mma ma kwụsie ike nke sistemu ike yana igbochi ihe mberede agbụ na nnukwu ọkụ ọkụ.

A na-akpọ eriri ọkụ nke na-ebu ọkụ eletrik site na ụlọ ọrụ ọkụ na-ebu ibu ma jikọta usoro ọkụ dị iche iche nke a na-akpọ eriri nnyefe.
Ọrụ nke ahịrị nnyefe gụnyere:
(1) '' Nyefee ike '': Ọrụ bụ isi nke ahịrị nnyefe n'elu bụ ibufe ike sitere na akụrụngwa akụrụngwa (dịka ụlọ ọrụ ọkụ ma ọ bụ ọdụ ume ọhụrụ) gaa na ọdụ ụgbọ mmiri na ndị ọrụ dị anya. Nke a na-eme ka ọkụ eletrik a pụrụ ịdabere na ya iji gboo mkpa nke ọrụ mmekọrịta mmadụ na ibe ya.
(2) '' Ijikọ ụlọ ọrụ ọkụ na ọdụ ụgbọ mmiri '': Ahịrị nnyefe n'elu na-ejikọ nke ọma na ụlọ ọrụ ọkụ dị iche iche na ọdụ ụgbọ ala iji mepụta sistemu ike jikọtara ọnụ. Njikọ a na-enyere aka nweta mmeju ume na nhazi kachasị mma, na-eme ka arụmọrụ zuru oke na nkwụsi ike nke usoro ahụ dịkwuo mma.
(3) '' Kwalite mgbanwe ike na nkesa '': Ahịrị nnyefe n'elu nwere ike jikọọ grids ike nke ọkwa voltaji dị iche iche iji ghọta mgbanwe ike na nkesa n'etiti mpaghara na sistemụ dị iche iche. Nke a na-enyere aka dozie ọkọnọ na ọchịchọ nke usoro ike ma hụ na nkesa ọkụ eletrik kwesịrị ekwesị.
(4) ''Kekọrịta ibu ọkụ eletrik kachasị elu'': N'oge ọnụ ọgụgụ kachasị elu nke ọkụ eletrik, ahịrị nnyefe n'elu nwere ike ịhazi nkesa ugbu a dịka ọnọdụ n'ezie iji kesaa ibu ọkụ eletrik nke ọma ma gbochie ibufe ahịrị ụfọdụ. Nke a na-enyere aka hụ na arụ ọrụ kwụsiri ike nke sistemu ike ma zere ịgbachi nkịtị na adịghị arụ ọrụ.
(5) '' Kwalite nkwụsi ike na ntụkwasị obi nke usoro ike '': Nhazi na iwu nke ahịrị nnyefe n'elu na-echekarị ihe dị iche iche gburugburu ebe obibi na ọnọdụ mmejọ iji hụ na nkwụsi ike na ntụkwasị obi nke usoro ike. Dịka ọmụmaatụ, site na nhazi ahịrị ezi uche na nhọrọ akụrụngwa, ihe ize ndụ nke ọdịda sistemụ nwere ike belata yana enwere ike imeziwanye ikike mgbake nke sistemụ.
(6) '' Kwalite oke oke nke akụrụngwa ike '': Site na ahịrị nnyefe n'elu, enwere ike ikenye akụrụngwa ọkụ n'ime oke oke iji nweta nguzozi n'etiti ọkọnọ ike na ọchịchọ. Nke a na-enyere aka melite arụmọrụ nke iji akụrụngwa ike na-akwalite mmepe akụ na ụba na-adịgide adịgide.